I was suprised to read about social entrepreneuship covered in one of Kenya's leadin daily - which it defines thus:

The most commonly quoted definition of social entrepreneurship was formulated by Prof J. Gregory Dees of Stanford University in 1998. He outlines the five factors that define social entrepreneurship as adopting a mission to create and sustain social value (not just private value); recognising and relentlessly pursuing new opportunities to serve that mission; engaging in a process of continuous innovation, adaptation, and learning; acting boldly without being limited by resources currently in hand; and exhibiting a heightened sense of accountability to the constituencies served and for the outcomes created

There is good reference to ApproTec program which is has got a strong affiliation to the Engineering dept.

more: http://eastandard.net/hm_news/news.php?articleid=30600